Hello madM,
I’m assuming that each call to $matrix->{$key}->{$key2} returns a single scalar value? In any case, each time the assignment:
@matrix_numbers = $matrix->{$key}->{$key2};
is executed, it overwrites the array @matrix_numbers with a new value. What you need is:
push @matrix_numbers, $matrix->{$key}->{$key2};
See push.
(I don’t understand why the array is empty — it should contain some value after the two foreach loops end.)
Hope that helps,
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